AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Tanzania > Tanzanite (blue-violet color change gem variety of Zoisite)

Tanzanite (blue-violet color change gem variety of Zoisite) from D-Block Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)

DESCRIPTION:	No. 82069
Mineral:	Tanzanite (blue-violet color change gem variety of Zoisite)
Locality:	D-Block Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite)
Description:	Lustrous transparent tanzanite crystal, the trichroic blue-violet gem variety of zoisite, with transparent gemmy areas especially the termination. The tanzanite crystal shows slight color change: front=blue, side=violet. Weight: 3.57 carats. Ex. Miller collection T2764; acquired in 2011 from E. Greene
Overall Size:	12x8x4 mm
Crystals:	12 mm
Archived:	For reference only

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